81323055

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2429

約数の個数: 64

約数和(自身を含む): 164643840

約数和(自身を除く): 83320785

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 99, 115, 135, 165, 207, 253, 297, 345, 495, 621, 759, 1035, 1265, 1485, 2277, 2381, 3105, 3795, 6831, 7143, 11385, 11905, 21429, 26191, 34155, 35715, 54763, 64287, 78573, 107145, 130955, 164289, 235719, 273815, 321435, 392865, 492867, 602393, 707157, 821445, 1178595, 1478601, 1807179, 2464335, 3011965, 3535785, 5421537, 7393005, 9035895, 16264611, 27107685, 81323055]

約数ペア:

[(1, 81323055), (3, 27107685), (5, 16264611), (9, 9035895), (11, 7393005), (15, 5421537), (23, 3535785), (27, 3011965), (33, 2464335), (45, 1807179), (55, 1478601), (69, 1178595), (99, 821445), (115, 707157), (135, 602393), (165, 492867), (207, 392865), (253, 321435), (297, 273815), (345, 235719), (495, 164289), (621, 130955), (759, 107145), (1035, 78573), (1265, 64287), (1485, 54763), (2277, 35715), (2381, 34155), (3105, 26191), (3795, 21429), (6831, 11905), (7143, 11385)]